Home / 13,205.27-19,763.26-12,849.89

Finding the Fourth Proportional to 13,205.27, 19,763.26 and 12,849.89

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Solution

The fourth proportional to 13,205.27, 19,763.26 and 12,849.89 is: 19,231.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205.27 : 19,763.26 = 12,849.89 : x
  2. Step 2: Convert to fraction form
    13,205.27/19,763.26 = 12,849.89/x
  3. Step 3: Cross multiply
    13,205.27x = 19,763.26 × 12,849.89
  4. Step 4: Simplify right side
    13,205.27x = 253,955,586.10
  5. Step 5: Solve for x
    x = 253,955,586.10/13,205.27
  6. Step 6: Final answer
    x = 19,231.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.